質問編集履歴
3
問題の修正
title
CHANGED
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File without changes
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body
CHANGED
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@@ -9,7 +9,7 @@
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9
9
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### 発生している問題・エラーメッセージ
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11
11
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12
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-
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12
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+
RecyclerViewに何も表示されない。(ビルドはできる)
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ブレークポイントを設置してデバッグしてみましたが、特に問題は確認できませんでした。
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14
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デバッグログにも解決に繋がるようなエラーメッセージは確認できませんでした。
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2
説明の追記
title
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File without changes
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body
CHANGED
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@@ -28,6 +28,12 @@
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28
28
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---
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30
30
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追記 2019/9/11
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31
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+
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32
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+
プロジェクトを作成しなおして実行したところ、
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33
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+
アプリが落ちることはありませんでしたが、
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34
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+
何も表示されていないRecyclerViewが表示されました。
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35
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その際の実行ログになります。
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36
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+
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31
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- 実行時ログ
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32
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```
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39
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09/11 13:34:53: Launching app
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1
ソースの記載
title
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File without changes
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body
CHANGED
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@@ -25,43 +25,173 @@
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25
25
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私のプロジェクトでは、androidx.recyclerview.widget.RecyclerView を使用しています。
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26
26
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また、表示させる画像は独自にダウンロードしてきた画像を用いております。
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27
27
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28
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-
- card_itemの差異
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29
28
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30
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-
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29
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+
---
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31
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-
```ここに言語を入力
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32
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-
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30
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+
追記 2019/9/11
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33
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-
android:id="@+id/card_background"
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34
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-
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31
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+
- 実行時ログ
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35
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-
android:layout_height="match_parent"
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36
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-
app:layout_constraintBottom_toBottomOf="parent"
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37
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-
app:layout_constraintEnd_toEndOf="parent"
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38
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-
app:layout_constraintStart_toStartOf="parent"
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39
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-
app:layout_constraintTop_toTopOf="parent"
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40
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-
→ android:background="#ececec" />
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41
32
|
```
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42
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-
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43
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-
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44
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-
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45
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-
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46
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-
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47
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-
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48
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-
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49
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-
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50
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-
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51
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-
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52
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-
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33
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+
09/11 13:34:53: Launching app
|
|
34
|
+
$ adb shell am start -n "com.example.testapp/com.example.testapp.MainActivity" -a android.intent.action.MAIN -c android.intent.category.LAUNCHER
|
|
35
|
+
Connected to process 14163 on device huawei-ale_l02-ARC7N15716001377
|
|
36
|
+
Capturing and displaying logcat messages from application. This behavior can be disabled in the "Logcat output" section of the "Debugger" settings page.
|
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37
|
+
D/HwCust: Create obj success use class android.content.res.HwCustHwResourcesImpl
|
|
38
|
+
W/art: Failed execv(/system/bin/dex2oat --runtime-arg -classpath --runtime-arg --debuggable --instruction-set=arm64 --instruction-set-features=smp,a53 --runtime-arg -Xrelocate --boot-image=/system/framework/boot.art --runtime-arg -Xms64m --runtime-arg -Xmx512m --instruction-set-variant=generic --instruction-set-features=default --dex-file=/data/app/com.example.testapp-1/split_lib_dependencies_apk.apk --oat-file=/data/dalvik-cache/arm64/data@app@com.example.testapp-1@split_lib_dependencies_apk.apk@classes.dex) because non-0 exit status
|
|
39
|
+
W/art: Failed execv(/system/bin/dex2oat --runtime-arg -classpath --runtime-arg --debuggable --instruction-set=arm64 --instruction-set-features=smp,a53 --runtime-arg -Xrelocate --boot-image=/system/framework/boot.art --runtime-arg -Xms64m --runtime-arg -Xmx512m --instruction-set-variant=generic --instruction-set-features=default --dex-file=/data/app/com.example.testapp-1/split_lib_slice_0_apk.apk --oat-file=/data/dalvik-cache/arm64/data@app@com.example.testapp-1@split_lib_slice_0_apk.apk@classes.dex) because non-0 exit status
|
|
40
|
+
W/art: Failed execv(/system/bin/dex2oat --runtime-arg -classpath --runtime-arg --debuggable --instruction-set=arm64 --instruction-set-features=smp,a53 --runtime-arg -Xrelocate --boot-image=/system/framework/boot.art --runtime-arg -Xms64m --runtime-arg -Xmx512m --instruction-set-variant=generic --instruction-set-features=default --dex-file=/data/app/com.example.testapp-1/split_lib_slice_9_apk.apk --oat-file=/data/dalvik-cache/arm64/data@app@com.example.testapp-1@split_lib_slice_9_apk.apk@classes.dex) because non-0 exit status
|
|
41
|
+
W/System: ClassLoader referenced unknown path: /data/app/com.example.testapp-1/lib/arm64
|
|
42
|
+
I/InstantRun: starting instant run server: is main process
|
|
43
|
+
W/art: Before Android 4.1, method android.graphics.PorterDuffColorFilter androidx.vectordrawable.graphics.drawable.VectorDrawableCompat.updateTintFilter(android.graphics.PorterDuffColorFilter, android.content.res.ColorStateList, android.graphics.PorterDuff$Mode) would have incorrectly overridden the package-private method in android.graphics.drawable.Drawable
|
|
44
|
+
D/HwCust: Create obj success use class android.content.res.HwCustHwResourcesImpl
|
|
45
|
+
V/HwPolicyFactory: : success to get AllImpl object and return....
|
|
46
|
+
V/HwWidgetFactory: : successes to get AllImpl object and return....
|
|
47
|
+
V/ActivityThread: ActivityThread,callActivityOnCreate
|
|
48
|
+
I/art: Rejecting re-init on previously-failed class java.lang.Class<androidx.core.view.ViewCompat$2>
|
|
49
|
+
I/art: Rejecting re-init on previously-failed class java.lang.Class<androidx.core.view.ViewCompat$2>
|
|
50
|
+
D/CubicBezierInterpolator: CubicBezierInterpolator mControlPoint1x = 0.15, mControlPoint1y = 0.7, mControlPoint2x = 0.2, mControlPoint2y = 0.98
|
|
51
|
+
D/CubicBezierInterpolator: CubicBezierInterpolator mControlPoint1x = 0.6, mControlPoint1y = 0.9, mControlPoint2x = 0.8, mControlPoint2y = 1.0
|
|
52
|
+
D/CubicBezierInterpolator: CubicBezierInterpolator mControlPoint1x = 0.15, mControlPoint1y = 0.7, mControlPoint2x = 0.2, mControlPoint2y = 0.98
|
|
53
|
+
D/CubicBezierInterpolator: CubicBezierInterpolator mControlPoint1x = 0.6, mControlPoint1y = 0.9, mControlPoint2x = 0.8, mControlPoint2y = 1.0
|
|
54
|
+
I/HwSecImmHelper: mSecurityInputMethodService is null
|
|
55
|
+
D/OpenGLRenderer: Use EGL_SWAP_BEHAVIOR_PRESERVED: false
|
|
56
|
+
E/HAL: load: id=gralloc != hmi->id=gralloc
|
|
57
|
+
V/ActivityThread: Resuming ActivityRecord{67ba0d9 token=android.os.BinderProxy@6484b52 {com.example.testapp/com.example.testapp.MainActivity}} with isForward=true,forwardBitChanged=false
|
|
58
|
+
V/ActivityThread: Resuming ActivityRecord{67ba0d9 token=android.os.BinderProxy@6484b52 {com.example.testapp/com.example.testapp.MainActivity}} with isForward=true,forwardBitChanged=false
|
|
59
|
+
E/HAL: load: id=gralloc != hmi->id=gralloc
|
|
60
|
+
I/OpenGLRenderer: Initialized EGL, version 1.4
|
|
61
|
+
W/OpenGLRenderer: load: so=/system/lib64/libhwuibp.so
|
|
62
|
+
dlopen failed: library "/system/lib64/libhwuibp.so" not found
|
|
63
|
+
Initialize Binary Program Cache: Load Failed
|
|
64
|
+
E/HAL: load: id=gralloc != hmi->id=gralloc
|
|
65
|
+
I/HwSecImmHelper: mSecurityInputMethodService is null
|
|
66
|
+
mSecurityInputMethodService is null
|
|
67
|
+
|
|
53
68
|
```
|
|
54
|
-
- build.gradleの差異
|
|
55
69
|
|
|
56
|
-
|
|
70
|
+
- item.java
|
|
57
71
|
```ここに言語を入力
|
|
58
|
-
|
|
72
|
+
public class item {
|
|
73
|
+
|
|
59
|
-
|
|
74
|
+
int background;
|
|
75
|
+
String profileName;
|
|
76
|
+
int profilePhoto;
|
|
77
|
+
int nbFollowers;
|
|
78
|
+
|
|
79
|
+
public item() {
|
|
80
|
+
}
|
|
81
|
+
|
|
82
|
+
public item(int background, String profileName, int profilePhoto, int nbFollowers) {
|
|
83
|
+
this.background = background;
|
|
84
|
+
this.profileName = profileName;
|
|
85
|
+
this.profilePhoto = profilePhoto;
|
|
86
|
+
this.nbFollowers = nbFollowers;
|
|
87
|
+
}
|
|
88
|
+
|
|
89
|
+
public int getBackground() {
|
|
60
|
-
|
|
90
|
+
return background;
|
|
91
|
+
}
|
|
92
|
+
|
|
93
|
+
public String getProfileName() {
|
|
94
|
+
return profileName;
|
|
95
|
+
}
|
|
96
|
+
|
|
97
|
+
public int getProfilePhoto() {
|
|
98
|
+
return profilePhoto;
|
|
99
|
+
}
|
|
100
|
+
|
|
101
|
+
public int getNbFollowers() {
|
|
102
|
+
return nbFollowers;
|
|
103
|
+
}
|
|
104
|
+
|
|
105
|
+
public void setBackground(int background) {
|
|
106
|
+
this.background = background;
|
|
107
|
+
}
|
|
108
|
+
|
|
109
|
+
public void setProfileName(String profileName) {
|
|
110
|
+
this.profileName = profileName;
|
|
111
|
+
}
|
|
112
|
+
|
|
113
|
+
public void setProfilePhoto(int profilePhoto) {
|
|
114
|
+
this.profilePhoto = profilePhoto;
|
|
115
|
+
}
|
|
116
|
+
|
|
117
|
+
public void setNbFollowers(int nbFollowers) {
|
|
118
|
+
this.nbFollowers = nbFollowers;
|
|
119
|
+
}
|
|
120
|
+
}
|
|
61
121
|
```
|
|
62
|
-
|
|
122
|
+
- Adapter.java
|
|
63
123
|
```ここに言語を入力
|
|
124
|
+
public class Adapter extends RecyclerView.Adapter<Adapter.myViewHolder> {
|
|
125
|
+
|
|
126
|
+
Context mContext;
|
|
127
|
+
List<item> mData;
|
|
128
|
+
|
|
129
|
+
public Adapter(Context mContext, List<item> mData) {
|
|
130
|
+
this.mContext = mContext;
|
|
131
|
+
this.mData = mData;
|
|
132
|
+
}
|
|
133
|
+
|
|
134
|
+
@NonNull
|
|
135
|
+
@Override
|
|
136
|
+
public myViewHolder onCreateViewHolder(@NonNull ViewGroup parent, int viewType) {
|
|
137
|
+
|
|
138
|
+
LayoutInflater inflater = LayoutInflater.from(mContext);
|
|
139
|
+
View v = inflater.inflate(R.layout.card_item,parent,false);
|
|
140
|
+
return new myViewHolder(v);
|
|
141
|
+
}
|
|
142
|
+
|
|
143
|
+
@Override
|
|
144
|
+
public void onBindViewHolder(@NonNull myViewHolder holder, int position) {
|
|
145
|
+
|
|
146
|
+
holder.background_img.setImageResource(mData.get(position).getBackground());
|
|
147
|
+
holder.profile_photo.setImageResource(mData.get(position).getProfilePhoto());
|
|
148
|
+
holder.tv_title.setText(mData.get(position).getProfileName());
|
|
149
|
+
holder.tv_nbFollowers.setText(mData.get(position).getNbFollowers()+"Followers");
|
|
150
|
+
|
|
151
|
+
}
|
|
152
|
+
|
|
153
|
+
@Override
|
|
154
|
+
public int getItemCount() {
|
|
155
|
+
return 0;
|
|
156
|
+
}
|
|
157
|
+
|
|
158
|
+
public class myViewHolder extends RecyclerView.ViewHolder {
|
|
159
|
+
|
|
160
|
+
ImageView profile_photo,background_img;
|
|
161
|
+
TextView tv_title,tv_nbFollowers;
|
|
162
|
+
|
|
163
|
+
public myViewHolder(View itemView) {
|
|
64
|
-
|
|
164
|
+
super(itemView);
|
|
165
|
+
profile_photo = itemView.findViewById(R.id.profile_img);
|
|
166
|
+
background_img = itemView.findViewById(R.id.card_background);
|
|
167
|
+
tv_title = itemView.findViewById(R.id.card_title);
|
|
168
|
+
tv_nbFollowers = itemView.findViewById(R.id.card_nb_follower);
|
|
169
|
+
}
|
|
170
|
+
}
|
|
171
|
+
}
|
|
172
|
+
```
|
|
173
|
+
- MainActivity.java
|
|
174
|
+
```ここに言語を入力
|
|
175
|
+
public class MainActivity extends AppCompatActivity {
|
|
176
|
+
|
|
177
|
+
@Override
|
|
178
|
+
protected void onCreate(Bundle savedInstanceState) {
|
|
179
|
+
super.onCreate(savedInstanceState);
|
|
180
|
+
setContentView(R.layout.activity_main);
|
|
181
|
+
|
|
65
|
-
|
|
182
|
+
Window w = getWindow();
|
|
183
|
+
w.setFlags(WindowManager.LayoutParams.FLAG_LAYOUT_NO_LIMITS,WindowManager.LayoutParams.FLAG_LAYOUT_NO_LIMITS);
|
|
184
|
+
|
|
185
|
+
RecyclerView recyclerView = findViewById(R.id.rv_list);
|
|
186
|
+
List<item> mlist = new ArrayList<>();
|
|
187
|
+
mlist.add(new item(R.drawable.food,"Food",R.drawable.ic_people, 2500));
|
|
188
|
+
mlist.add(new item(R.drawable.food,"Food",R.drawable.ic_people, 2500));
|
|
189
|
+
mlist.add(new item(R.drawable.food,"Food",R.drawable.ic_people, 2500));
|
|
190
|
+
mlist.add(new item(R.drawable.food,"Food",R.drawable.ic_people, 2500));
|
|
191
|
+
mlist.add(new item(R.drawable.food,"Food",R.drawable.ic_people, 2500));
|
|
192
|
+
Adapter adapter = new Adapter(this,mlist);
|
|
193
|
+
recyclerView.setLayoutManager(new LinearLayoutManager(this));
|
|
66
|
-
|
|
194
|
+
recyclerView.setAdapter(adapter);
|
|
195
|
+
}
|
|
196
|
+
}
|
|
67
197
|
```
|